Features:
- Arduino compatible (recognized as an Arduino Leonardo in IDE)
- Atmel ATMega32U4 Microprocessor
- Freescale MPR121 dedicated touch interface
- VLSI VS1053B audio processor
- Arduino Shield Compatible (check pins available)
- 32 KB of Flash Memory of which 4 KB is used for bootloader
- 5V operating voltage (automatic voltage selector for USB or battery operation)
- Built in LiPo battery charging with onboard boost circuit for 5V operation
- 16 MHz clock speed
- Can be powered and programmed over USB
- 20 digital I/O pins (3 used for Touch IC and 5 for MP3 IC – can be disabled)
- 7 PWM channels
- 12 analog input channels
- 12 Touch electrodes of which 8 can be configured as extra digital inputs or outputs with PWM capability
- 84mm x 62mm foot print with maximum height of 10mm (audio connector)
- Up to 32GB via micro SD card
- HID Capable